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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]
EMPLOYEE BENEFIT PLANS
The Company has three frozen defined benefit pension plans covering certain employees or former employees of three U.S. subsidiaries. The Company also has pension plans covering certain employees of several foreign subsidiaries. The Company also sponsors a number of defined contribution plans in the U.S. and at foreign subsidiaries. The Company contributed approximately $2.9 million to the pension plans during the nine months ended September 30, 2016, and expects to contribute approximately $0.8 million to the pension plans during the remainder of 2016.
 
The components of net periodic pension cost consisted of the following (amounts in thousands):
 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
 
2016
 
2015
 
2016
 
2015
Service cost
$
74

 
$
83

 
$
386

 
$
326

Interest cost
1,230

 
1,167

 
3,700

 
3,601

Expected return on assets
(1,396
)
 
(1,512
)
 
(4,184
)
 
(4,549
)
Amortization of unrecognized prior service cost
35

 
34

 
103

 
103

Amortization of net unrecognized loss
762

 
729

 
2,289

 
2,187

      Net periodic pension cost
$
705

 
$
501

 
$
2,294

 
$
1,668